1. 4
2. 3
3. 2
4. 1
1
1. (-11/2,9/2)
2. (1/2,1/2)
3. (5/2,-5/2)
4. (-1/2,-1/2)
(-1/2,-1/2)
1. (8,5)
2. (8,-5)
3. (-8,-5)
4. (-4,-3)
(-8,-5)
1. π
2. 3π/4
3. π/2
4. π/4
π/4
1. 14C7
2. 12C6
3. 12C5
4. 11C5
12C6
1. 0
2. 210
3. -1
4. 1
0
1. 32
2. 26
3. 18
4. 24
24
1. 6
2. 5
3. 10
4. 15
5
1. 400/3
2. 200/3
3. 400/√3
4. 10/√3
400/3
1. a2+b2/c2+d2
2.
3. (a2+b2/c2+d2 )2
4. (a+b/c+d )2
a2+b2/c2+d2